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Luer diaphragm check valve

Luer Diaphragm Check Valve – Precision Fluid Control with Silicone Reliability

  1. Hermetic Sealing
    Zero backflow ensured by silicone diaphragm-to-seat contact.

  2. Lightweight & Compact
    Three-piece design for easy integration in tight spaces.

  3. Ultrasonic Welded Seams
    Seamless fusion technology ensures superior pressure resistance.

  4. Cost-Effective Assembly
    High-yield manufacturing reduces total ownership costs.

  5. Premium Silicone Material
    Exceptional thermal stability, chemical resistance, and unmatched durability.

Category:

The Luer Diaphragm Check Valve ensures reliable one-way flow control by utilizing a silicone diaphragm that tightly seals against the valve seat. Engineered for precision and longevity, it is perfect for applications demanding zero backflow and minimal pressure drop.

Discover high-performance diaphragm check valves designed for leak-free operation, cost efficiency, and durability. Ideal for biopharmaceuticals, labs, and industrial systems.

✅ Leak-Proof Design: Silicone diaphragm creates a hermetic seal, eliminating fluid contamination risks.
✅ Three-Piece Compact Structure: Lightweight, easy to install, and maintenance-friendly.
✅ Ultrasonic Welding Technology: Seamless joint fusion ensures superior durability under high-pressure cycles.
✅ Cost-Effective Manufacturing: Simplified assembly boosts yield rates, reducing overall user costs.

Technical Specifications

ParameterValue
Cracking Pressure<0.5 kPa
Max Back Pressure>0.3 MPa

Applications

  • Biopharmaceuticals: Sterile fluid transfer in bioreactors.

  • Water Treatment: Chemical dosing systems.

  • Food & Beverage: Hygienic processing lines.

  • Laboratory Automation: Precision reagent dispensing.

FAQ

1. What are the advantages of diaphragm check valves over traditional check valves?
A:

Simplified, lightweight design: Three-piece structure reduces installation complexity and system load.

Zero-leakage sealing: Silicone diaphragm ensures no backflow, ideal for high-purity applications (e.g., biopharmaceuticals).

Cost efficiency: High production yield and ultrasonic welding minimize maintenance and replacement costs.
(Keywords: diaphragm valve benefits, biopharma valves, leak-proof check valve)

2. How does a silicone diaphragm enhance valve performance?
A:

Temperature resistance: Stable operation from -50°C to +200°C.

Chemical compatibility: Resists acids, alkalis, and solvents for chemical and lab applications.

Extended lifespan: High mechanical strength supports 500,000+ cycles.
(Keywords: silicone diaphragm, chemical-resistant valves, high-temperature check valve)

3. What are the cracking pressure and pressure rating of diaphragm check valves?
A:

Ultra-low cracking pressure: 0.3 MPa for demanding fluid control.
(Keywords: low-pressure valve, high-pressure check valve specs)

4. Which industries benefit most from diaphragm check valves?
A:

Biopharmaceuticals: Sterile fluid transfer (GMP-compliant).

Food & Beverage: Hygienic production lines to prevent cross-contamination.

Chemical/Water Treatment: Corrosion-resistant design extends equipment life.
(Keywords: biopharma valves, food-grade check valve, chemical fluid control)

5. How to maintain diaphragm check valves for optimal performance?
A:

Regular diaphragm inspection: Check silicone diaphragms for wear every 6 months.

Avoid overpressure: Ensure system pressure ≤ rated maximum back pressure.

Cleaning tips: Use compatible solvents; avoid scratching sealing surfaces.
(Keywords: valve maintenance, diaphragm replacement, check valve care)

6. Why is ultrasonic welding critical for valve reliability?
A:

Seamless bonding: Eliminates leakage risks from adhesives or bolts.

Enhanced strength: 50% stronger joints withstand frequent pressure fluctuations.

Consistency: Automated process ensures batch-to-batch uniformity.
(Keywords: ultrasonic welded valves, industrial valve durability, high-strength check valves)

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TODA FLUID CONTROL TECHNOLOGY CO.,LTD 

Precision Fluid Solutions Since 2010

As a leading China manufacturer, we deliver high-performance components like peristaltic pumps, syringe pumps, and fluid valves for biopharma, lab automation, and industrial applications.

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